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            <h1>උපයෝගිතා</h1>

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            <div class="highlight"><pre><span class="lineno">10</span><span></span><span class="kn">import</span> <span class="nn">copy</span>
<span class="lineno">11</span>
<span class="lineno">12</span><span class="kn">from</span> <span class="nn">torch.utils.data</span> <span class="kn">import</span> <span class="n">Dataset</span><span class="p">,</span> <span class="n">IterableDataset</span>
<span class="lineno">13</span>
<span class="lineno">14</span><span class="kn">from</span> <span class="nn">labml_helpers.module</span> <span class="kn">import</span> <span class="n">M</span><span class="p">,</span> <span class="n">TypedModuleList</span></pre></div>
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    <div class='section' id='section-1'>
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                <a href='#section-1'>#</a>
            </div>
            <h2>ක්ලෝනමොඩියුලය</h2>
<p>දීඇති මොඩියුලයක ක්ලෝන <code  class="highlight"><span></span><span class="n">nn</span><span class="o">.</span><span class="n">ModuleList</span></code>
 සමඟ සාදන්න</p>

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        <div class='code'>
            <div class="highlight"><pre><span class="lineno">17</span><span class="k">def</span> <span class="nf">clone_module_list</span><span class="p">(</span><span class="n">module</span><span class="p">:</span> <span class="n">M</span><span class="p">,</span> <span class="n">n</span><span class="p">:</span> <span class="nb">int</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">TypedModuleList</span><span class="p">[</span><span class="n">M</span><span class="p">]:</span></pre></div>
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                <a href='#section-2'>#</a>
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            <div class="highlight"><pre><span class="lineno">23</span>    <span class="k">return</span> <span class="n">TypedModuleList</span><span class="p">([</span><span class="n">copy</span><span class="o">.</span><span class="n">deepcopy</span><span class="p">(</span><span class="n">module</span><span class="p">)</span> <span class="k">for</span> <span class="n">_</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">n</span><span class="p">)])</span></pre></div>
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    <div class='section' id='section-3'>
        <div class='docs doc-strings'>
            <div class='section-link'>
                <a href='#section-3'>#</a>
            </div>
            <p> <a id="cycle_dataloader"></a></p>
<h2>චක්රීයදත්ත කාරකය</h2>
<p>එක්එක් එපෝච් පසු දත්ත කාරකය ප්රතිචක්රීකරණය කරන අනන්ත කාරකය</p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">26</span><span class="k">def</span> <span class="nf">cycle_dataloader</span><span class="p">(</span><span class="n">data_loader</span><span class="p">):</span></pre></div>
        </div>
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    <div class='section' id='section-4'>
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            <div class='section-link'>
                <a href='#section-4'>#</a>
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        <div class='code'>
            <div class="highlight"><pre><span class="lineno">34</span>    <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
<span class="lineno">35</span>        <span class="k">for</span> <span class="n">batch</span> <span class="ow">in</span> <span class="n">data_loader</span><span class="p">:</span>
<span class="lineno">36</span>            <span class="k">yield</span> <span class="n">batch</span></pre></div>
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                <a href='#section-5'>#</a>
            </div>
            <p> <a id="map_style_dataset"></a></p>
<h2>සිතියමස්ටයිල් දත්ත සමුදාය</h2>
<p>මෙය <a href="https://pytorch.org/docs/stable/data.html#map-style-datasets">සිතියම් විලාසිතාවේ දත්ත කට්ටලයක්</a> බවට <a href="https://pytorch.org/docs/stable/data.html#torch.utils.data.IterableDataset"><code  class="highlight"><span></span><span class="n">IterableDataset</span></code>
</a> පරිවර්තනය කරන අතර එමඟින් අපට දත්ත කට්ටලය මාරු කළ හැකිය. </p>
<p><em>මෙයක්රියාත්මක වන්නේ දත්ත සමුදාය ප්රමාණය කුඩා වන අතර මතකයේ රඳවා ගත හැකි විට පමණි. </em></p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">39</span><span class="k">class</span> <span class="nc">MapStyleDataset</span><span class="p">(</span><span class="n">Dataset</span><span class="p">):</span></pre></div>
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    <div class='section' id='section-6'>
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            <div class='section-link'>
                <a href='#section-6'>#</a>
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        <div class='code'>
            <div class="highlight"><pre><span class="lineno">52</span>    <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dataset</span><span class="p">:</span> <span class="n">IterableDataset</span><span class="p">):</span></pre></div>
        </div>
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    <div class='section' id='section-7'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-7'>#</a>
            </div>
            <p>දත්තමතකය වෙත පූරණය කරන්න </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">54</span>        <span class="bp">self</span><span class="o">.</span><span class="n">data</span> <span class="o">=</span> <span class="p">[</span><span class="n">d</span> <span class="k">for</span> <span class="n">d</span> <span class="ow">in</span> <span class="n">dataset</span><span class="p">]</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-8'>
        <div class='docs doc-strings'>
            <div class='section-link'>
                <a href='#section-8'>#</a>
            </div>
            <p>දර්ශකයඅනුව නියැදියක් ලබා ගන්න </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">56</span>    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">idx</span><span class="p">:</span> <span class="nb">int</span><span class="p">):</span></pre></div>
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    <div class='section' id='section-9'>
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                <a href='#section-9'>#</a>
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        <div class='code'>
            <div class="highlight"><pre><span class="lineno">58</span>        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="p">[</span><span class="n">idx</span><span class="p">]</span></pre></div>
        </div>
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    <div class='section' id='section-10'>
        <div class='docs doc-strings'>
            <div class='section-link'>
                <a href='#section-10'>#</a>
            </div>
            <p>කඅනුකාරකයක් සාදන්න </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">60</span>    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-11'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-11'>#</a>
            </div>
            
        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">62</span>        <span class="k">return</span> <span class="nb">iter</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="p">)</span></pre></div>
        </div>
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    <div class='section' id='section-12'>
        <div class='docs doc-strings'>
            <div class='section-link'>
                <a href='#section-12'>#</a>
            </div>
            <p>දත්තසමුදාය ප්රමාණය </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">64</span>    <span class="k">def</span> <span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
        </div>
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                <a href='#section-13'>#</a>
            </div>
            
        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">66</span>        <span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="p">)</span></pre></div>
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